package ConcurrentModifyException;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by wangyg6 on 2017/11/28.
 */
public class Test2 implements Runnable {
	@Override
	public void run() {
		List<String> list = WorkClass.getInstance().list();
		list=new ArrayList<>();
		list.add("999");
	}

}
